package com.jiutong.meipenggang.utils;

import android.annotation.SuppressLint;
import android.content.ContentUris;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.provider.DocumentsContract;
import android.provider.MediaStore;
import android.text.TextUtils;

/**
 * Created by suxi on 2017/5/31.
 */

public class StringUtil {

    /* 判断是否是以1开头的11位的手机号码
	 *
	 * @param mobile
	 *            手机号码
	 * @return 是返回true 否返回false
	 */
    public static boolean isMobileNumber(String mobile) {
        /**
         * 移动：134、135、136、137、138、139、150、151、157(TD)、158、159、187、188
         * 联通：130、131、132、152、155、156、185、186 电信：133、153、180、189、（1349卫通）
         * 总结起来就是第一位必定为1，第二位必定为3或5或8，其他位置的可以为0-9
         */
        String telRegex = "^[1]\\d{10}$";// "[1]"代表第1位为数字1，"\\d{10}"代表后面是可以是0～9的数字，有10位。

        if (TextUtils.isEmpty(mobile)) {
            return false;
        } else {
            return mobile.matches(telRegex);
        }
    }

    public static boolean isRightPwd(String str){
//        String regex = "^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z]{6,16}$";
        String regex = "^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z]{6,16}$";
        if(str.matches(regex)){
            return true;
        }
        return false;
    }

    /**
     * 根据uri获取相册图片路径
     * @param context
     * @param uri
     * @return
     */
    @SuppressLint("NewApi")
    public static String getPath(final Context context, final Uri uri) {

        final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;

        // DocumentProvider
        if (isKitKat && DocumentsContract.isDocumentUri(context, uri)){
            // ExternalStorageProvider
            if (isExternalStorageDocument(uri)){
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];

                if ("primary".equalsIgnoreCase(type)){
                    return Environment.getExternalStorageDirectory() + "/" + split[1];
                }
            }
            // DownloadsProvider
            else if (isDownloadsDocument(uri)){

                final String id = DocumentsContract.getDocumentId(uri);
                final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));

                return getDataColumn(context, contentUri, null, null);
            }
            // MediaProvider
            else if (isMediaDocument(uri)){
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];

                Uri contentUri = null;
                if ("image".equals(type)){
                    contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
                }
                else if ("video".equals(type)){
                    contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
                }
                else if ("audio".equals(type)){
                    contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
                }

                final String selection = "_id=?";
                final String[] selectionArgs = new String[] { split[1] };

                return getDataColumn(context, contentUri, selection, selectionArgs);
            }
        }
        // MediaStore (and general)
        else if ("content".equalsIgnoreCase(uri.getScheme())){
            return getDataColumn(context, uri, null, null);
        }
        // File
        else if ("file".equalsIgnoreCase(uri.getScheme())){
            return uri.getPath();
        }

        return null;
    }

    /**
     * Get the value of the data column for this Uri. This is useful for
     * MediaStore Uris, and other file-based ContentProviders.
     * @param context The context.
     * @param uri The Uri to query.
     * @param selection (Optional) Filter used in the query.
     * @param selectionArgs (Optional) Selection arguments used in the query.
     * @return The value of the _data column, which is typically a file path.
     */
    public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {

        Cursor cursor = null;
        final String column = "_data";
        final String[] projection = { column };

        try{
            cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
            if (cursor != null && cursor.moveToFirst()){
                final int column_index = cursor.getColumnIndexOrThrow(column);
                return cursor.getString(column_index);
            }
        } finally{
            if (cursor != null)
                cursor.close();
        }
        return null;
    }

    /**
     * @param uri  The Uri to check.
     * @return Whether the Uri authority is ExternalStorageProvider.
     */
    public static boolean isExternalStorageDocument(Uri uri) {
        return "com.android.externalstorage.documents".equals(uri.getAuthority());
    }

    /**
     * @param uri  The Uri to check.
     * @return Whether the Uri authority is DownloadsProvider.
     */
    public static boolean isDownloadsDocument(Uri uri) {
        return "com.android.providers.downloads.documents".equals(uri.getAuthority());
    }

    /**
     * @param uri The Uri to check.
     * @return Whether the Uri authority is MediaProvider.
     */
    public static boolean isMediaDocument(Uri uri) {
        return "com.android.providers.media.documents".equals(uri.getAuthority());
    }
}
